Over the final months of JFK’s presidency, a clear consensus took shape within America’s deep state: Kennedy was a national security threat. For the good of the country, he must be removed. And Dulles was the only man with the stature, connections, and decisive will to make something of this enormity happen. He had already assembled a killing machine to operate overseas. Now he prepared to bring it home to Dallas. All that his establishment colleagues had to do was to look the other way—as they always did when Dulles took executive action.

